Wired Powerful Computer Speaker Bar Stereo Subwoofer Bass Surround Sound Box for PC Laptop Phone

- Steady and lossless bass sound effect and stereo surrounding sound loudspeakers bring you wonderful music. - With 3.5mm audio plug, it's for desktop, laptop, TV, smartphone, tablet PC, MP3, MP4 and more. - This USB-powered speaker is energy-saving and environment-friendly, safe and reliable. - plastic-made material, lightweight and portable, convenient to take. - Classical black appearance makes it beautiful and all-match with the decoration of your room. - Easy and convenient to operate, compatibility. The volume of the line control roller is adjusted, and the overall appearance is beautiful